The Irregular series consist of 183 shapes from 3XL to screw-on feet. The Irregular series is intentionally deceptive with the “sweat spots” not necessarily where you expect them to be. They are great for challenging newer climbers while keeping experienced ones on their toes. The Irregular pinches is all about finding the best spot to grab these unique pinches. Shaped by Andy Nelson. This Large set of pinches comes with 5 shapes.